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10 cards from this deck
f(x)=ax2+bx+cf(x) = ax^2 + bx + cf(x)=ax2+bx+c where a≠0a \neq 0a=0
Parabola
Turning point (min or max value)
Concave up (opens upward)
Concave down (opens downward)
x=−b2ax = \frac{-b}{2a}x=2a−b
(0,c)(0, c)(0,c)
Δ=b2−4ac\Delta = b^2 - 4acΔ=b2−4ac
Two distinct real roots
All real numbers (R\mathbb{R}R)
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